This page from the Collaborative for Gender Equity will help those looking to create a mentoring program for girls and women in the STEM disciplines. The site provides step-by step advice in creating a strong mentoring program. Sections include "Why We Need Mentoring Programs," "What is Mentoring?," "What Does a Mentor Do?," "Designing Your Program," "Recruiting/Screening Mentors," "Recruiting Participating Students" and more.

A dense ball packs more mass in the same volume, so it has more momentum at any given velocity. Thus a dense ball travels further because it loses a smaller proportion of its kinetic energy to the surrounding fluid.